/**
* Check we either have an associated block already or if BlockType has been passed in as value on extended model
* e.g. from CMS form submission.
*
* @param \ValidationResult $validationResult
* @return array|void
* @throws \ValidationException
*/
public function validate(ValidationResult $validationResult)
{
parent::validate($validationResult);
if (!($blockType = $this->getBlockType())) {
$validationResult->error($this->fieldDecoration(self::BlockTypeFieldName, 'missing', '{model} requires a block type', ['model' => $this()->i18n_singular_name()]));
throw new ValidationException($validationResult);
}
}
/**
* Skip validation for Pages if not already saved so we can create new pages with DateFields as CMS saves early.
*
* @param \ValidationResult $result
* @throws \ValidationException
* @return null
*/
public function validate(\ValidationResult $result)
{
if ($this() instanceof \SiteTree) {
if (!$this()->isInDB()) {
return null;
}
}
parent::validate($result);
}
/**
* Prevent duplicate code being entered.
*
* @param \ValidationResult $result
* @return array|void
* @throws \ValidationException
*/
public function validate(ValidationResult $result)
{
// this could throw an exception, let it
parent::validate($result);
$code = $this->owner->{self::CodeFieldName};
if ($this->owner->isInDB()) {
// code should be read-only in CMS but check anyway that doesn't exist on another ID
$existing = Model::get($this->owner->class)->exclude('ID', $this->owner->ID)->filter(self::CodeFieldName, $code)->first();
} else {
// check code doesn't exist already
$existing = Model::get($this->owner->class)->filter(self::CodeFieldName, $code)->first();
}
if ($existing) {
$message = $this->fieldDecoration(self::CodeFieldName, 'Duplicate', "Code must be unique, the {singular} '{title}' already uses '{code}'", ['code' => $code, 'title' => $existing->Title ?: $existing->Name]);
$result->error($message);
throw new ValidationException($result);
}
}
